Html Grid

Set the groups property of the jqxGrid. Author: http://jqwidgets.com

HTML

<script src="https://jqwidgets.com/public/jqwidgets/jqx-all.js"></script>
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.base.css">
<link rel="stylesheet" href="https://jqwidgets.com/public/jqwidgets/styles/jqx.energyblue.css">
<script src="https://jqwidgets.com/jquery-widgets-demo/demos/jqxgrid/generatedata.js"></script>
<div id='jqxWidget'>
    <div id="jqxgrid"></div>
</div>

CSS

.disabled-content {
    pointer-events: none;
    opacity: 0.4;
}

JavaScript

var data = generatedata(10);
 var source = {
     localdata: data,
     datafields: [{
         name: 'firstname',
         type: 'string'
     }, {
         name: 'lastname',
         type: 'string'
     }, {
         name: 'productname',
         type: 'string'
     }, {
         name: 'date',
         type: 'date'
     }, {
         name: 'quantity',
         type: 'number'
     }, {
         name: 'price',
         type: 'number'
     }],
     datatype: "array"
 };
 var adapter = new $.jqx.dataAdapter(source);
 $("#jqxgrid").jqxGrid({
     width: 500,
     theme: 'energyblue',
     source: adapter,
     groupable: true,
     groups: ['firstname'],
     selectionmode: 'checkbox',
     columns: [{
         text: 'First Name',
         datafield: 'firstname',
         width: 90
     }, {
         text: 'Last Name',
         datafield: 'lastname',
         width: 90
     }, {
         text: 'Product',
         datafield: 'productname',
         width: 170
     }, {
         text: 'Order Date',
         datafield: 'date',
         width: 160,
         cellsformat: 'dd-MMMM-yyyy'
     }, {
         text: 'Quantity',
         datafield: 'quantity',
         width: 80,
         cellsalign: 'right'
     }, {
         text: 'Unit Price',
         datafield: 'price',
         cellsalign: 'right',
         cellsformat: 'c2'
     }],
     
 });
$("#jqxgrid").on('groupcollapse', function (event) 
{
    document.querySelector('.jqx-grid-content').classList.add("disabled-content")
    Array.from(document.querySelectorAll(".jqx-grid-column-header")).splice(2).forEach(column=>column.classList.add("disabled-content"))
});